campbell's. it's amazing what soup can do. ♪ >>> this morning in our second cup cafe a musician who is burning up the interhe net. violinist lindsey stirling has become a youtube sensation with 135 million hits. >> this past week she released her debut album and embarked on a nationwide tour. this morning she will perform her hit single "crystallize." ladies and gentlemen, lindsey stirling. ♪ ♪ ♪ ♪ ♪ ♪ ♪ ♪ ♪ ♪ ♪ ♪ [ applause ] >> lindsey stirling. >> thank you. >> thank you for playing for us. >> thanks. you first got really noticed on a national way on "america's got talent." >> yes. >> when piers morgan compared you to drowned rats being strangled what do you have to say now? >> at the time it crushed me. on my album i have a thank you section just for piers morgan because now i have a point to prove myself and the world and to piers morgan. >> thank you. we'll be right back. you're watching cbs "this morning saturday". ♪ ♪ [ sneezes ] [ male announcer ] if you hav